Virginia Boater Exam Practice Test 2026：第3套练习测试

Virginia Boater Exam Practice Test 练习测试第3套（共6套）：再练25道题，附答案和解释。

船只驾驶
弗吉尼亚州
131道题
核对于2026年10月10日

第1题，共25题
Where should swimmers stay away from while a boat's engine or generator is running?
- The shoreline and shallow water nearby
- The bow, where the anchor is stored
- The swim platform and the back of the boat
- The anchor line at the front of the boat
显示答案
答案: C. The swim platform and the back of the boat
Exhaust gases with carbon monoxide collect near the stern and swim platform. Do not swim or sit there while engines or generators run.
第2题，共25题
When must recreational boats show navigation lights?
- Only when other boats are close by
- From sunset to sunrise and in poor visibility
- Only on nights when there is no moon
- Only on the ocean, not on lakes or rivers
显示答案
答案: B. From sunset to sunrise and in poor visibility
Navigation lights are required between sunset and sunrise and during periods of restricted visibility.
第3题，共25题
Light 4 in the diagram is the white sternlight. How wide is its arc?
- 225 degrees, toward the front
- 360 degrees, all around
- 112.5 degrees, on one side
- 135 degrees, toward the back
显示答案
答案: D. 135 degrees, toward the back
The sternlight shines over 135 degrees behind the boat. The masthead light covers 225 degrees forward.
第4题，共25题
On inland waters, a power-driven vessel meeting you sounds one short blast. What does it mean?
- "I am operating astern propulsion"
- "I am in distress"
- "I intend to leave you on my port side"
- "I intend to leave you on my starboard side"
显示答案
答案: C. "I intend to leave you on my port side"
Under Inland Rule 34, one short blast means "I intend to leave you on my port side". If you agree, answer with one short blast.
第5题，共25题
One 20-B fire extinguisher can replace how many required 5-B extinguishers?
- Two
- Four
- Three
- One
显示答案
答案: A. Two
One 20-B extinguisher may be carried in place of two required 5-B extinguishers.
第6题，共25题
Instead of a lanyard, what other type of engine cut-off device is approved?
- A warning sticker placed on the dashboard
- A loud alarm that sounds but does not stop the engine
- A rope tied between the helm and the ladder
- A wireless fob that stops the engine in water
显示答案
答案: D. A wireless fob that stops the engine in water
Wireless engine cut-off devices, worn by the operator, stop the engine when the fob goes into the water.
第7题，共25题
Which boats are covered by the federal engine cut-off switch law?
- Only sailboats that have an outboard motor
- Only commercial fishing boats of any size
- Recreational boats under 26 feet, about 3 hp or more
- All recreational boats over 40 feet long
显示答案
答案: C. Recreational boats under 26 feet, about 3 hp or more
The law covers recreational vessels under 26 feet with engines that make 115 pounds of static thrust (about 3 hp) or more.
第8题，共25题
What must a boat 12 meters (39.4 feet) or longer carry for sound signals?
- A referee whistle for the operator
- A small hand bell kept at the helm
- A whistle audible for 1/2 nautical mile
- Nothing beyond a working VHF radio
显示答案
答案: C. A whistle audible for 1/2 nautical mile
Vessels 12 meters or longer need a whistle (horn) audible for 1/2 nautical mile. Vessels 20 meters or longer also need a bell.
第9题，共25题
What does an engine cut-off switch link do?
- Stops the engine if the operator is thrown from the helm
- Locks the steering wheel when you are not aboard
- Turns on the navigation lights automatically
- Starts the bilge blower before the engine starts
显示答案
答案: A. Stops the engine if the operator is thrown from the helm
The lanyard links the operator to the switch. If the operator is thrown from the helm, the link pulls free and the engine shuts off.
第10题，共25题
Which kind of life jacket is the right choice for riding a personal watercraft?
- A non-inflatable life jacket rated for PWC use
- A throwable cushion held on your lap
- No life jacket is needed on a PWC
- An inflatable belt pack
显示答案
答案: A. A non-inflatable life jacket rated for PWC use
Most inflatable life jackets are not approved for PWC use. Wear a properly sized, inherently buoyant life jacket meant for PWC riding.
第11题，共25题
What is the maximum federal criminal penalty for boating under the influence?
- A written warning, with no fine
- Up to $5,000, one year in prison, or both
- Loss of your car driver license only
- A fine of up to $50 and a short class
显示答案
答案: B. Up to $5,000, one year in prison, or both
Federal BUI penalties include a civil penalty of up to $1,000, or a criminal penalty of up to $5,000, one year in prison, or both.
第12题，共25题
What does this white marker with an open orange diamond mean?
- Danger, such as rocks, shoals or a dam
- Boats may not enter the area
- A safe place to anchor overnight
- A speed limit applies here
显示答案
答案: A. Danger, such as rocks, shoals or a dam
An orange diamond warns of danger. The danger may be described in black letters on the marker.
第13题，共25题
Older B-I and B-II extinguishers are still accepted on which boats?
- All boats, of any model year
- Only boats built in 2018 or later
- Boats built in model year 2017 or earlier
- Only personal watercraft of any year
显示答案
答案: C. Boats built in model year 2017 or earlier
Coast Guard B-I and B-II extinguishers are acceptable only on vessels built in model year 2017 or earlier.
第14题，共25题
What kind of numbers do red nun buoys like this carry?
- Odd numbers
- Even numbers
- Letters only
- No numbers
显示答案
答案: B. Even numbers
Red lateral markers carry even numbers, and the numbers increase as you head in from sea.
第15题，共25题
Your boat is 40 feet long and you operate on U.S. inland waters. What document must you keep on board?
- A copy of the boat's insurance policy
- A copy of the Navigation Rules
- A map of every state you will visit
- A list of marinas with fuel
显示答案
答案: B. A copy of the Navigation Rules
Operators of vessels 12 meters (39.4 feet) or longer must keep a copy of the Navigation Rules on board on inland waters.
第16题，共25题
Where can you legally throw plastic overboard?
- More than 12 miles from shore
- Nowhere
- More than 3 miles from shore
- Only in rivers
显示答案
答案: B. Nowhere
Discharging plastic into the water is prohibited everywhere.
第17题，共25题
A person goes missing from your boat. Who must you notify right away?
- The nearest state boating authority
- The company that built your boat
- Nobody until the written report is due
- Your insurance company only
显示答案
答案: A. The nearest state boating authority
For a death or a missing person, notify the nearest state boating authority immediately, then file the written report.
第18题，共25题
Which engines must have a Coast Guard-approved backfire flame arrester?
- Diesel engines only
- Gasoline inboard engines
- Electric trolling motors
- All outboard motors
显示答案
答案: B. Gasoline inboard engines
Gasoline engines installed after April 25, 1940, except outboard motors, must have an approved backfire flame control device.
第19题，共25题
Two powerboats meet head-on. What should each operator do?
- The larger boat holds course and the smaller turns
- Turn to port and pass starboard to starboard
- Both stop and wait for the other to move
- Turn to starboard and pass port side to port side
显示答案
答案: D. Turn to starboard and pass port side to port side
In a head-on meeting, each vessel alters course to starboard so they pass port to port.
第20题，共25题
You are alone in cold water wearing a life jacket and cannot climb out. What should you do?
- Splash and kick constantly to stay visible
- Take off your life jacket so you can move freely
- Swim hard in circles to keep your body warm
- Fold your arms, cross your legs and float still
显示答案
答案: D. Fold your arms, cross your legs and float still
The Heat Escape Lessening Posture (HELP) reduces heat loss. Swim only if safety is very close.
第21题，共25题
During the day, what shape does a vessel at anchor display?
- Two red balls on the mast
- An orange flag at the stern
- A black ball near the bow
- A black cone, point down
显示答案
答案: C. A black ball near the bow
An anchored vessel shows a black ball forward by day and an all-round white light at night. Vessels under 7 meters away from channels and anchorages are generally exempt.
第22题，共25题
A sailboat under sail (A) and a powerboat (B) are on crossing courses. Which one is the give-way vessel?
- The boat on the left
- The sailboat, A
- The powerboat, B
- The boat that is moving faster
显示答案
答案: C. The powerboat, B
A power-driven vessel must keep out of the way of a sailing vessel, unless the sailboat is overtaking it.
第23题，共25题
Two vessels agree by VHF radio how they will pass each other. Do they still have to sound whistle signals?
- No, and sounding them would be illegal
- No, but they may
- Yes, always, before and after passing
- Yes, but only at night
显示答案
答案: B. No, but they may
Vessels that reach agreement by radio do not have to sound the whistle signals. If they cannot agree, whistle signals must be exchanged and they prevail.
第24题，共25题
Which check is part of keeping a fire extinguisher "good and serviceable"?
- The gauge is in the operable range and the pin is in place
- The extinguisher has been tested by using it once
- The label has been removed so it fits the bracket
- The nozzle is taped shut to keep out dirt
显示答案
答案: A. The gauge is in the operable range and the pin is in place
A serviceable extinguisher has its gauge in the operable range, its lock pin in place, a clear nozzle and no serious corrosion or damage.
第25题，共25题
Your powerboat is approaching a vessel engaged in fishing with nets. What must you do?
- Keep out of its way
- Sound five short blasts and continue
- Hold your course; it must move for you
- Pass close to look at its gear
显示答案
答案: A. Keep out of its way
A power-driven vessel underway must keep out of the way of a vessel engaged in fishing, which has nets or gear that limit its movement.

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